library(plotly)


x <- seq(-2*pi, 2*pi, length.out = 1000)

df <- data.frame(x, y1 = sin(x))


fig <- plot_ly(df, x = ~x)

fig <- fig %>% add_lines(y = ~y1)



fig <- fig %>% layout(

  title = "Button Restyle",

  xaxis = list(domain = c(0.1, 1)),

  yaxis = list(title = "y"),

  updatemenus = list(

    list(

      type = "buttons",

      y = 18,

      buttons = list(


        list(method = "restyle",

             args = list("line.color", "blue"),

             label = "Blue"),


        list(method = "restyle",

             args = list("line.color", "red"),

             label = "Red")))

  ))

library(repr)

fig